public class LegacyAudioAdapter implements ModernAudioInterface {
    private LegacyAudioDevice legacyDevice;

    public LegacyAudioAdapter(LegacyAudioDevice legacyDevice) {
        this.legacyDevice = legacyDevice;
    }

    @Override
    public String playAudioUsb() {

        String convertedAudioData = legacyDevice.getNowSign()+"通过适配，苹果lighting接口可以转为USB-A接口";
        return convertedAudioData;
    }

    @Override
    public String playAudioTypeC() {
        //Type-C
        String convertedAudioData = legacyDevice.getNowSign()+"进一步通过适配，苹果lighting接口可以转为type-c接口";
        return convertedAudioData;
    }
}